<template>
    <div class="shopcar-container">

        <div class="goods-list">

            <!--商品列表区域-->
            <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner">

                        <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                         @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">¥{{ item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <!--问题: 如何从购物车中获取商品的数量呢?-->
                                <!--1.我们可以先创建一个 空对象,然后循环购物车中所有的商品数据, 把 当前循环这条商品的
                                      id, 作为 对象的属性名,count值作为 对象的属性值,这样,当把所有的商品循环一边
                                      ,就会得到一个对象: { 88: 2, 89: 1, 90: 4 }
                                -->
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                            </p>
                        </div>
                    </div>
                </div>
            </div>

            <!--结算区域-->
            <div class="mui-card">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计:(不含运费)</p>
                            <p>已勾选商品 <span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span> 件,总
                                价<span class="red">¥{{ $store.getters.getGoodsCountAndAmount.amount }}</span></p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
                    </div>
                </div>
            </div>
            {{$store.getters.getGoodsSelected}}
        </div>
    </div>
</template>

<script type="text/ecmascript-6">

    import numbox from '../subcomponents/shopcar_numbox.vue'


    export default {
        name: 'ShopcarContainer',
        data() {
            return {
                testname:'',
                goodslist: [],//购物车中所有的商品的数据
            }
        },
        created() {
            this.getGoodsList();
        },
        methods: {
            getGoodsList() {
                //1. 获取到 store 中所有的商品的 Id, 然后拼接处一个 用逗号分隔的 字符串
                var idArr = [];
                this.$store.state.car.forEach( item => idArr.push(item.id));
                //如果购物车中没有商品,则直接返回,不需要请求数据接口,否则报错
                if (idArr.length <= 0) {
                    return;
                }

                this.testname= "麦迪"


                //代替请求方案
                var localCar = JSON.parse(localStorage.getItem('car') || '[]')
                this.goodslist = localCar;
                
                //获取购物车商品列表
//                this.$http.get("api/goods/getshopcarlist" + idArr.join(".")).then(result => {
//                    if(result.body.status === 0){
//                        this.goodslist = result.body.message;
//                    }
//                });
            },
            remove(id,index) {
                //点击删除,  把商品从 store 中根据 传递的 Id 删除,同时, 把当前组件中的 goodslist 中,对应要删除的那
                // 个商品, 使用 index 来删除
                this.goodslist.splice(index,1);
                this.$store.commit("removeFromCar",id)
            },
            selectedChanged(id,val) {
                //每当点击开关, 把最新的 开关状态,同步到 store 中
//                console.log(od + "----" + val)
                this.$store.commit("updateGoodsSelected",{ id, selected: val })
            }
        },
        components: {

            numbox,
        }
    }
</script>


<style lang="scss" scoped rel="stylesheet/scss">

    .shopcar-container {
        background-color: #eee;
        overflow: hidden;

        .goods-list {
            .mui-card-content-inner {
                display: flex;
                align-items: center;
            }

            img {
                width: 60px;
                height: 60px;
            }

            h1 {
                font-size: 13px;
            }

            .info {
                display: flex;
                flex-direction: column;
                justify-content: space-between;
                .price {
                    color: red;
                    font-weight: bold;
                }
            }
        }

        .jiesuan {
            display: flex;
            justify-content: space-between;
            align-items: center;
            
            .red {
                color: red;
                font-weight: bold;
                font-size: 16px;
            }
        }
    }

</style>